US Geography / US Weather / Illinois Weather / Richmond |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 26 | 30 | 42 | 56 | 68 | 78 | 82 | 80 | 72 | 61 | 46 | 31 |
| Avg. Low | 8 | 12 | 24 | 35 | 45 | 54 | 60 | 58 | 50 | 38 | 28 | 15 |
| Mean | 17 | 22 | 34 | 46 | 57 | 67 | 71 | 68 | 62 | 50 | 37 | 24 |
| Avg. Precip. | 1.4 in | 1.1 in | 2.4 in | 3.3 in | 3.0 in | 4.1 in | 4.3 in | 4.0 in | 3.6 in | 2.5 in | 2.6 in | 1.8 in |
Degrees in Fahrenheit
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